I gingerly step through broken glass, flanked by two world-weary teammates, entering a long-abandoned supermarket to hunker down as rotors whir overhead. We’d already wasted enough precious ammunition fighting a pack of flying ARC drones — the latest from an annihilation wave of killer robots responsible for wiping out most of humanity. As we poke around the burnt-out remains of cash registers and store shelves, a distinctly human voice shouts down a nearby hallway. I check my bullet count, raise my…
